CN106246775B - 添加改性纳米石墨烯的制动器刹车片生产工艺 - Google Patents
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Abstract
本发明提供一种添加改性纳米石墨烯的制动器刹车片生产工艺,包括下列步骤:准备各原料;将铜纤维、竹炭纤维混入熔融的松香中;将原料一起混合后送入粉磨机磨粉;压模、获得半成品刹车片;将半成品刹车片加热成型;将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气保压10分钟;将刹车片加热至60‑70℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气保压10分钟;将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟。本发明制得的刹车片耐磨性非常高,耐热磨损性显著提升,抗老化能力强,抗冲击性能优越,热胀冷缩率极低。
Description
技术领域
本发明涉及制动器用刹车片领域,具体涉及添加改性纳米石墨烯的制动器刹车片生产工艺。
背景技术
刹车片是制动***中最为关键的部件,通过刹车片对运动件进行抱死,刹车片的好坏决定了刹车效果。刹车片通过安装在制动器的钢板上,通过将刹车片利用粘接剂粘接在钢板上的方式,从而刹车时,利用刹车片抵住运动件,使之与运动件间产生摩擦,使安装制动器的车辆或者设备等减速,甚至抱死。但刹车片的性能的好坏与刹车制动效果有密切的关系。目前的刹车片耐磨性、耐热性、耐冻性等存在或多或少的问题,因此会影响刹车制动效果。
发明内容
本发明所要解决的技术问题在于提供一种添加改性纳米石墨烯的制动器刹车片生产工艺。
本发明所要解决的技术问题采用以下技术方案来实现:
一种添加改性纳米石墨烯的制动器刹车片生产工艺,包括下列步骤:
(1)准备如下重量份的各原料:硅橡胶40-46份、聚乙烯树脂20-24份、松香8-15份、三氧化二铟3-5份、铜纤维3-5份、竹炭纤维1-2份、二氧化锆粉10-16份、蒙脱石粉4-5份、电气石粉4-5份、钨粉6-9份、珠光体铁粉6-9份、改性纳米石墨烯16-20份;
(2)将松香熔融,然后将铜纤维、竹炭纤维混入熔融的松香中,并在1200-1500转/分钟的搅拌机内搅拌10分钟,然后将再在2-3MPa的高压下处理3分钟,接着造粒成1-2mm的颗粒;
(3)将步骤(2)所得物料与步骤(1)剩余的原料一起混合后送入粉磨机磨粉,其目数控制在50目以下;
(4)将研磨后的粉料送入压模装置中,获得半成品刹车片;
(5)将半成品刹车片送至加热装置加热成型,然后冷却至常温;
(6)将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气,使容器内压力维持在3.5-4.5MPa并保压10分钟;
(7)取出刹车片,将刹车片加热至60-70℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气,使容器内压力维持在3.5-4.5MPa并保压10分钟;
(8)取出刹车片,将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟,然后用去离子水洗净,再烘干即可。
所述改性纳米石墨烯由纳米石墨烯经过103℃高温处理,然后再经过-20℃低温处理制得。
步骤(3)中刹车片加热至65℃。
本发明的有益效果是:本发明制得的刹车片耐磨性非常高,耐热磨损性显著提升,抗老化能力强,抗冲击性能优越,热胀冷缩率极低。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
一种添加改性纳米石墨烯的制动器刹车片生产工艺,包括下列步骤:
(1)准备如下重量份的各原料:硅橡胶43份、聚乙烯树脂22份、松香12份、三氧化二铟4份、铜纤维4份、竹炭纤维1份、二氧化锆粉13份、蒙脱石粉4份、电气石粉4份、钨粉8份、珠光体铁粉8份、改性纳米石墨烯18份;
(2)将松香熔融,然后将铜纤维、竹炭纤维混入熔融的松香中,并在1400转/分钟的搅拌机内搅拌10分钟,然后将再在2.5MPa的高压下处理3分钟,接着造粒成1-2mm的颗粒;
(3)将步骤(2)所得物料与步骤(1)剩余的原料一起混合后送入粉磨机磨粉,其目数控制在50目以下;
(4)将研磨后的粉料送入压模装置中,获得半成品刹车片;
(5)将半成品刹车片送至加热装置加热成型,然后冷却至常温;
(6)将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气,使容器内压力维持在4MPa并保压10分钟;
(7)取出刹车片,将刹车片加热至65℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气,使容器内压力维持在4MPa并保压10分钟;
(8)取出刹车片,将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟,然后用去离子水洗净,再烘干即可。
所述改性纳米石墨烯由纳米石墨烯经过103℃高温处理,然后再经过-20℃低温处理制得。
实施例2
一种添加改性纳米石墨烯的制动器刹车片生产工艺,包括下列步骤:
(1)准备如下重量份的各原料:硅橡胶40份、聚乙烯树脂20份、松香8份、三氧化二铟3份、铜纤维3份、竹炭纤维1份、二氧化锆粉10份、蒙脱石粉4份、电气石粉4份、钨粉6份、珠光体铁粉6份、改性纳米石墨烯16份;
(2)将松香熔融,然后将铜纤维、竹炭纤维混入熔融的松香中,并在1200转/分钟的搅拌机内搅拌10分钟,然后将再在2MPa的高压下处理3分钟,接着造粒成1-2mm的颗粒;
(3)将步骤(2)所得物料与步骤(1)剩余的原料一起混合后送入粉磨机磨粉,其目数控制在50目以下;
(4)将研磨后的粉料送入压模装置中,获得半成品刹车片;
(5)将半成品刹车片送至加热装置加热成型,然后冷却至常温;
(6)将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气,使容器内压力维持在3.5MPa并保压10分钟;
(7)取出刹车片,将刹车片加热至60℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气,使容器内压力维持在3.5MPa并保压10分钟;
(8)取出刹车片,将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟,然后用去离子水洗净,再烘干即可。
所述改性纳米石墨烯由纳米石墨烯经过103℃高温处理,然后再经过-20℃低温处理制得。
实施例3
一种添加改性纳米石墨烯的制动器刹车片生产工艺,包括下列步骤:
(1)准备如下重量份的各原料:硅橡胶46份、聚乙烯树脂24份、松香15份、三氧化二铟5份、铜纤维5份、竹炭纤维2份、二氧化锆粉16份、蒙脱石粉5份、电气石粉5份、钨粉9份、珠光体铁粉9份、改性纳米石墨烯20份;
(2)将松香熔融,然后将铜纤维、竹炭纤维混入熔融的松香中,并在1500转/分钟的搅拌机内搅拌10分钟,然后将再在3MPa的高压下处理3分钟,接着造粒成1-2mm的颗粒;
(3)将步骤(2)所得物料与步骤(1)剩余的原料一起混合后送入粉磨机磨粉,其目数控制在50目以下;
(4)将研磨后的粉料送入压模装置中,获得半成品刹车片;
(5)将半成品刹车片送至加热装置加热成型,然后冷却至常温;
(6)将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气,使容器内压力维持在4.5MPa并保压10分钟;
(7)取出刹车片,将刹车片加热至70℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气,使容器内压力维持在4.5MPa并保压10分钟;
(8)取出刹车片,将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟,然后用去离子水洗净,再烘干即可。
所述改性纳米石墨烯由纳米石墨烯经过103℃高温处理,然后再经过-20℃低温处理制得。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (3)
1.一种添加改性纳米石墨烯的制动器刹车片生产工艺,其特征在于,包括下列步骤:
(1)准备如下重量份的各原料:硅橡胶40-46份、聚乙烯树脂20-24份、松香8-15份、三氧化二铟3-5份、铜纤维3-5份、竹炭纤维1-2份、二氧化锆粉10-16份、蒙脱石粉4-5份、电气石粉4-5份、钨粉6-9份、珠光体铁粉6-9份、改性纳米石墨烯16-20份;
(2)将松香熔融,然后将铜纤维、竹炭纤维混入熔融的松香中,并在1200-1500转/分钟的搅拌机内搅拌10分钟,然后将再在2-3MPa的高压下处理3分钟,接着造粒成1-2mm的颗粒;
(3)将步骤(2)所得物料与步骤(1)剩余的原料一起混合后送入粉磨机磨粉,其目数控制在50目以下;
(4)将研磨后的粉料送入压模装置中,获得半成品刹车片;
(5)将半成品刹车片送至加热装置加热成型,然后冷却至常温;
(6)将成型的刹车片放入密闭容器内,然后对密闭容器抽真空,真空下保持30分钟,接着向密闭容器内冲入氮气,使容器内压力维持在3.5-4.5MPa并保压10分钟;
(7)取出刹车片,将刹车片加热至60-70℃,趁热将刹车片放入密闭容器,然后向密闭容器内冲入氩气,使容器内压力维持在3.5-4.5MPa并保压10分钟;
(8)取出刹车片,将刹车片用冰醋酸、酒石酸按1:1比例混合的溶液浸泡15分钟,然后用去离子水洗净,再烘干即可。
2.如权利要求1所述的添加改性纳米石墨烯的制动器刹车片生产工艺,其特征在于,所述改性纳米石墨烯由纳米石墨烯经过103℃高温处理,然后再经过-20℃低温处理制得。
3.如权利要求1所述的添加改性纳米石墨烯的制动器刹车片生产工艺,其特征在于,步骤(7)中刹车片加热至65℃。
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